Endress+Hauser PROMAG 33 - Page 122

E
ECC
See Electrode Cleaning Circuitry
Electrical connection
Cable specifications . . . . . . . . . . . 27
Commubox FXA 191 . . . . . . . . . . . 33
Degree of protection (IP Code) . . . . . . . 21
HART handheld terminal . . . . . . . . . . 33
Potential equalisation . . . . . . . . . . . 28
Rackbus . . . . . . . . . . . . . . . . 30
Remote version (connection cable) . . . . . 25
Transmitter . . . . . . . . . . . . . . . 22
Electrode Cleaning Circuitry (ECC)
Current polarity . . . . . . . . . . . . . 83
General information . . . . . . . . . . . . 75
Recovery time . . . . . . . . . . . . . . 76
Switching on and off . . . . . . . . . . . 75
Electrodes
Electrode axis . . . . . . . . . . . . . . 12
Electrode Cleaning Circuitry (ECC) . . . . . 75
EPD electrode . . . . . . . . . . . . 73, 82
Reference electrode . . . . . . . . . . . 28
Replacement of measuring electrodes . . . . 94
Electrodes fitted . . . . . . . . . . . . . 112
Electromagnetic compatibility (EMC) . . . . 27, 29
Electronics, replacement of . . . . . . . . . . 96
Empty Pipe Detection (EPD)
Empty and full pipe adjustment . . . . . . . 74
EPD electrode . . . . . . . . . . . . 73, 82
General information . . . . . . . . . . . . 73
Response time . . . . . . . . . . . . . 74
Engineering units
Flow rate . . . . . . . . . . . . . . . . 47
Gallons / Barrel . . . . . . . . . . . . . 48
Nominal diameter . . . . . . . . . . . . 48
Volume / Totalizer . . . . . . . . . . . . 47
EPD
See Empty pipe detection
Error
See Trouble-shooting
Error correction (remedies) . . . . . . . . . . 87
Error limits
See Accuracy
Error messages (display) . . . . . . . . . . 90
Error response (measuring system outputs) . . . 85
Ex approvals . . . . . . . . . . . . . . 113
Ex instruments (documentation) . . . . . . . . 5
F
Flow direction (forward, reverse) . . . . . . 61, 75
Flow range, operable . . . . . . . . . . . 107
Flow rate (nominal diameter) . . . . . . . . . 13
Fluid conductivity . . . . . . . . . . . . 110
Fluid temperature . . . . . . . . . . . . 110
Frequency output
See Pulse / Frequency output
Function description . . . . . . . . . . . . 47
Functions at a glance . . . . . . . . . . . 117
Functions, Function groups . . . . . . . . . . 36
Fuse (instrument fuse) . . . . . . . . 23, 24, 97
Fuse replacing . . . . . . . . . . . . . . 97
G
Gallons (engineering units) . . . . . . . . . 48
Galvanic isolation . . . . . . . . . . . . . 112
Gaskets
See Seals
Gateways (Rackbus) . . . . . . . . . . . . 30
Ground disks . . . . . . . . . . . . . . 28, 29
Grounding, ground terminal . . . . . . . . . 28
H
HART
Commuwin II operating program . . . . . . 42
Electrical connection . . . . . . . . . . . 33
Handheld terminal . . . . . . . . . . . . 40
Operating matrix . . . . . . . . . . . . 41
HOME position . . . . . . . . . . . . . . 35
I
Inlet section . . . . . . . . . . . . . . . 12
Input variables . . . . . . . . . . . . . . 107
Installation
See Mounting
L
Language (for displayed text) . . . . . . . . 68
Length
See Dimensions
Limit flow rate (relay function) . . . . . . . 59, 61
Load (current output) . . . . . . . . . . . . 108
Local display
See Display
M
Maintenance . . . . . . . . . . . . . . . 97
Material load curves . . . . . . . . . . . . 111
Materials . . . . . . . . . . . . . . 111, 112
Matrix
See Operating Matrix
Measured error (error limits) . . . . . . . . . 109
Measured variable . . . . . . . . . . . . . 107
Measuring amplifier
See Amplifier
Measuring electrodes
Positioning . . . . . . . . . . . . . . . 12
Replacement . . . . . . . . . . . . . . 94
Measuring mode (unidirectional or bidirectional) . 75
Measuring principle . . . . . . . . . . . . 107
Measuring range . . . . . . . . . . . . . 107
Measuring system Promag 33 . . . . . . . . . 7
Measuring tube
Internal diameter . . . . . . . . . . . . 114
Lining.................110
11 Index Promag 33
122 Endress+Hauser